Perhaps you should try some spelling variations:
"coder coder typing open problems" » "coder coder typing on problems" (Expand search), "coder decoder typing open problems" (Expand search), "code code typing open problems" (Expand search), "decoder codec typing open problems" (Expand search), "coder coder mapping open problems" (Expand search), "coder coder turning open problems" (Expand search), "coder coder typing speed problems" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder typing open problems") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder typing open problems\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder typing open problems ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder typing open problems") OR ("in python python python programming"))*.